| Matchless metal locator |
Terrific detector and locator for metal objects with dual NE555. |
2.86 |
3,605 |
| GSM phone ring detection |
This device will blink LED just before GSM phone will ring. |
2.91 |
3,604 |
| KL interface for car diagnostics |
Schematics for KL interface for car diagnostics. |
2.90 |
3,596 |
| Rain detector |
Rain or water detector. |
2.92 |
3,595 |
| Heat detector using NE555 and diode |
Heat detector using NE555 and a diode. |
2.89 |
3,577 |
| Infrared switch |
IR led and diode switch. |
2.94 |
3,486 |
| Lie detector v2 |
Lie detector that measures skin resistance. |
2.93 |
3,348 |
| EF sensor |
Nice detector of presence and movement. |
2.92 |
3,294 |
| PC controller |
Control relays via PC LPT parallel port. |
2.93 |
3,233 |
| 1.5V battery powered motor |
A very small fan motor switched on and off by hand torque. |
2.88 |
3,113 |
| Inteligent switch |
Inteligent switch circuit. |
2.88 |
2,994 |
| Temperature measurement with NTC |
Measures temperature (for bikes) with LM3914, NTC resistor and 10 LEDs for display. |
2.93 |
2,949 |
| HALO card emulator |
HALO card emulator - HR. |
2.91 |
2,781 |
| Darkness detector |
Darkness detector with photo resistor and NE555. |
2.89 |
2,763 |
| Bridge amplifier 16W |
16W Bridge amplifier. |
2.91 |
2,760 |
